Barack Obama, right, reaches across to shakes hands with Joint Chiefs Chairman Adm. Michael Mullen, left, after signing the National Defense Authorization Act for Fiscal Year 2010, Wednesday, Oct. 28, 2009, during a ceremony in the East Room of the White House in Washington. From left are, Mullen, Defense Secretary Robert Gates, Senate Armed Services Committee Chairman Sen. Carl Levin, D-Mich. and the president.